Recognition of three basic placenta types by Otto Grosser over a century ago has proven its worth: non-invasive, moderately invasive or highly invasive. In contrast to the invasive types, no breakdown ...
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The placenta: What it is and how it works
The placenta is a pancake-shaped organ that develops within the wall of your uterus and connects to your baby though the umbilical cord. By the end of pregnancy, it grows to be about 9 inches in ...
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